Supply and installation of 11 TR Ductable AC for PSI and Cryogenic UPS Room at VECC

Amount

LOCATION: VECC SALT LAKE CAMPUS.

Supply, Installation, Testing & Commissioning (SITC) of 11 TR Ductable Air Conditioner suitably charged with R410A/134A/R407C Refrigerant. Detail specification as per WS-5.

Supply, installation & testing of suction refrigeration piping with hard drawn Copper refrigeration pipelines conforming IS10773/ASTM B-68/280 with necessary fittings, support, fixtures etc. and brazing arrangement. Thorough leak testing of entire refrigeration pipelines with dry nitrogen. Including thermal insulation of refrigeration pipelines using Nitrile Rubber Insulation min. 12mm thick. Details as per WS-5.

Supply, installation & testing of suction refrigeration piping with hard drawn Copper refrigeration pipelines conforming IS10773/ASTM B-68/280 with necessary fittings, support, fixtures etc. and brazing arrangement. Thorough leak testing of entire refrigeration pipelines with dry nitrogen. Including thermal insulation of refrigeration pipelines using Nitrile Rubber Insulation min. 12mm thick. Details as per WS-5.

Supply & laying PVC insulated, sheathed Copper cable suitable from starter to outdoor units with necessary earthing, with 3mm thick perforated GI cable tray including all types of fixture etc. required for proper installation. Details as per WS-5.

Supply & laying PVC insulated, sheathed Copper cable suitable from outdoor to indoor units with necessary earthing, with 3mm thick perforated GI cable tray including all types of fixture etc. required for proper installation. Details as per WS-5.

Supply & laying of G.I Earthing minimum 4 mm2 or suitable as per A.C. Machine requirement.

Design, fabrication & installation of ducting made by using 22 SWG GI sheet conforming standard IS 277:2003; and fixed with MS/GI angle/rod, fastener, fixtures etc. as required for the installation as per site suited. Details as per WS-5.

g) Fabrication and installation of Inside Acoustic insulation of the duct with 12.5 mm fiberglass rigid board with tissue paper covering with perforated min. 32 gauge Aluminium sheet, as properly duct lined from inside including all type fixtures etc. required for installation. Details as per WS-5.

Supply and fixing of 12mm thick Cross linked Closed Cell polyethylene thermal insulation with metalized Aluminium foil of duct Density: 30±3 Kg/M3, Thermal conductivity at 0°C: 0.0318-0.0332 W/M°K, fire propagation as per Class ‘O’ should be properly covered the duct using suitable adhesive and aluminium tape. Proper and good looking finish. Details as per WS-5.

Supply and installation of aluminium powder coated supply grills at each supply outlet including VCD (volume control damper). VCD will be made from aluminium sheet, the frame min. 18swg thick and louvers min. 22-24 swg thick sheet. Exact size of grill will be decided as per site after the installation of AHUs and ducting. Details as per WS-5.

Supply and fixing 40 mm hard drain pipeline using the UPVC pipelines and fittings conforming to ASTM D1785 or equivalent Indian standard, Schedule 40. Making a syphon (U trap) just outside of the AHU drain point including proper routing, fixing (required fixtures) etc. for installation as per requirement of site. Details as per WS-5.

Supply & fabrication of M.S. angle, channel structure/platform well painted (1 coat primer, and 2 coat of first quality synthetic enamel paint) for Out Door Unit(ODU) of each AC. Details as per WS-5.